Sam, Callen, Kensi and Deeks go undercover as an elite operational unit when they investigate the murders of multiple operatives killed in an ambush.
Voight's son appears to be involved in the Fitori murder case, which increases the tension between Antonio and Voight.
Commander Perry informs the team that Pulpo has been released to assist with a case. Meanwhile, Ruzek struggles with tough news, and details of Lindsay's past come back to haunt her.
Ray must sort out his troubled relationship with a movie producer when the problems impact his family. Elsewhere, Mickey prepares for a date.
Ray and Avi locate Eddie on the run with Sully's money, Mickey must leave Bunchy's apartment, and Ezra plans a proposal.